140 lines
5.1 KiB
C
140 lines
5.1 KiB
C
/* crypto/rand/rand.h */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#ifndef HEADER_RAND_H
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#define HEADER_RAND_H
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#include <stdlib.h>
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#include <openssl/ossl_typ.h>
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#include <openssl/e_os2.h>
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#if defined(OPENSSL_SYS_WINDOWS)
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#include <windows.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(OPENSSL_FIPS)
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#define FIPS_RAND_SIZE_T size_t
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#endif
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/* Already defined in ossl_typ.h */
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/* typedef struct rand_meth_st RAND_METHOD; */
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struct rand_meth_st
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{
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void (*seed)(const void *buf, int num);
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int (*bytes)(unsigned char *buf, int num);
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void (*cleanup)(void);
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void (*add)(const void *buf, int num, double entropy);
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int (*pseudorand)(unsigned char *buf, int num);
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int (*status)(void);
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};
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#ifdef BN_DEBUG
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extern int rand_predictable;
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#endif
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int RAND_set_rand_method(const RAND_METHOD *meth);
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const RAND_METHOD *RAND_get_rand_method(void);
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#ifndef OPENSSL_NO_ENGINE
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int RAND_set_rand_engine(ENGINE *engine);
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#endif
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RAND_METHOD *RAND_SSLeay(void);
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void RAND_cleanup(void );
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int RAND_bytes(unsigned char *buf,int num);
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int RAND_pseudo_bytes(unsigned char *buf,int num);
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void RAND_seed(const void *buf,int num);
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void RAND_add(const void *buf,int num,double entropy);
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int RAND_load_file(const char *file,long max_bytes);
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int RAND_write_file(const char *file);
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const char *RAND_file_name(char *file,size_t num);
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int RAND_status(void);
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int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes);
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int RAND_egd(const char *path);
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int RAND_egd_bytes(const char *path,int bytes);
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int RAND_poll(void);
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#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32)
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void RAND_screen(void);
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int RAND_event(UINT, WPARAM, LPARAM);
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#endif
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/* BEGIN ERROR CODES */
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/* The following lines are auto generated by the script mkerr.pl. Any changes
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* made after this point may be overwritten when the script is next run.
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*/
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void ERR_load_RAND_strings(void);
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/* Error codes for the RAND functions. */
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/* Function codes. */
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#define RAND_F_RAND_GET_RAND_METHOD 101
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#define RAND_F_SSLEAY_RAND_BYTES 100
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/* Reason codes. */
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#define RAND_R_PRNG_NOT_SEEDED 100
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#ifdef __cplusplus
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}
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#endif
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#endif
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